OpenAI: gpt-oss-safeguard-20b logo

OpenAI: gpt-oss-safeguard-20b

OpenAIllm

Published October 29, 2025

About

gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust & safety labeling. Learn more about this model in OpenAI's gpt-oss-safeguard [user guide](https://cookbook.openai.com/articles/gpt-oss-safeguard-guide).

Try OpenAI: gpt-oss-safeguard-20b

Test this model in the Sandbase Playground with your own prompts.

Open in Playground

Related Models